Brake Booster Pump Assembly Replacement from Under the Car?

I'd be willing to bet that lack of a follow up post explaining the details of that method confirms it's not going to be easier, but harder.

 

I think from underneath, moving the subframe, was the original official repair manual procedure.

Then when Toyota saw that the D0H recall was going to make them do that 89,000 times, they ran back to the drawing board and invented custom tools for doing it from the top.

 

People don't realize how important it is to constantly improve the tools you use for certain tasks! And sometimes the best tool is no tool. Like replacing headlight bulbs. Some people think you have to remove the bumper cover and headlight casing, but if you practice eventually you'll be able to replace those bulbs in less than five minutes with your bare hands.

 

If you have something like a PDF of the repair manual where no table of contents shows up, you might do a text search for the string "REMOVE BRAKE BOOSTER PUMP".

Probably takes you right to a page where step 1 is "remove brake booster with master cylinder assembly" (from the top) and step 2 is "remove front cross member sub-assembly" (from the bottom) and step 4 gets your pump out.

But I would probably choose instead the instructions in T-CP-D0H-A510-D, where the realities of a recall forced them to develop a from-the-top-only (and without removing the booster/master cylinder) procedure.

 

Here's an instructional video for the top-only removal. They use certain SSTs not available to the general public, but perhaps a little elbow grease might substitute?
https://techinfo.toyota.com/techInfoPortal/staticcontent/en/videos/cp/D0H_full.wmv

 

There is a way from the bottom, and it was the original official Toyota way, shown in the repair manual.

The trouble with that method was not that it was a long list of steps, but step 1 is "remove brake booster with master cylinder assembly" (from the top) and step 2 is "remove front cross member sub-assembly" (from the bottom) and step 4 gets your pump out, and that step 2 is not a small job.

They invented the from-the-top method, with the extra special tools, when they were confronted with the D0H recall and thought "no way are we removing 89,000 suspension cross members to replace these 89,000 accumulators."

 

If you've got something like HandBrake, you can convert that to a much smaller mp4. I'd upload a copy, but Priuschat doesn't support the file format.

 

There was some discussion with Danny about the possibility of uploading video (maybe with a strict size limit or quota to make sure people compress it sensibly) in this thread over here.

With the video in question here, of course, the feasibility of compression would just be one issue; there's also the matter of copyright. Providing a link to Toyota's copy of the video on their server is one thing; making a second copy to compress and host somewhere else could be another.

 

If someone could upload it to YouTube we'd all be spared the download hassle...

 

And we could have a betting pool for how long it would be there before the takedown notice, and what would happen to the account of the person who uploaded it.

 

You'd be surprised... Especially if it's a youtube account with no subscribers... It's nearly impossible for corrupt copyright trolls that don't understand fair use to monitor. As in 30K hours of content is uploaded to Youtube every hour and even the most advanced scanning devices aren't going to flag something that no one has watch other than a handful of people at PriusChat.

 

Sure, and it's quite possible that legitimate copyright owners, like Toyota in this case, have other things to do, and thus even less time to spend protecting their interests than "corrupt copyright trolls that don't understand fair use" do.

Still, the person uploading would clearly be violating youtube's terms and conditions, unless Toyota's permission was obtained first. It's hard to stretch "fair use" to cover a straight upload of someone else's entire video.

 

Received the new booster pump assembly today. Strangely, the part number on the assembly still reads 47070-47050 instead of the 47070-47060 that I ordered from Serra Toyota.
The visible differences are the still-vertical yellow red/white label and the black unpainted pressure vessel

 

I've heard there's two versions, with the same part number. Which doesn't sound like a good idea. Anyway: the older, original one, prone to failure, has the yellow label running longitudinally along the can, and the revised version has the label turned 90 degrees. Seems to me if some wag could steam the labels off and turn them...

Anyway, this is mentioned in the attached (on the 21st page of the pdf):